the west virginia man visited yosemite in july but did not stay where the other infections happened. the walls of the cabins there are infested with mice and hantavirus is caused by breathing in dried rodent waste. it cannot be spread from person to person. >>> 19 museum workers were arrested after barricading themselves in golden gate park last night. the museum's union workers. they were cited for trespassing more than 100 a workers haven not been able to come to an agreement on the new contract. there is no comment from management. >>> more than 300 children an their parents in san jose received some free swim lessons today from a gold medal olympian with a passion for water safety. cullen jones won three medals in london. where he grew up, swim lessons were few and far between. he said he did not learn to swim until he had a very close call. >> i grew up in the inner city in new jersey. i knew this was an alarming rate. i didn't think it was that bad until i started to think of my own family and friends that couldn't swim and i myself almost drowned at five and i became an olympi